Pika \Pi"ka\, n. (Zool.)
Any one of several species of tailless rodents of the genus
Ochotona (formerly Lagomys), resembling small rabbits,
but with short ears alnd legs. They inhabit the high
mountains of Asia and America. Called also calling hare,
and crying hare and rock rabbit. See Chief hare.
[1913 Webster +PJC]